8 pm American Idol (Fox) | The first phase of the competition comes to an end as the judges reveal their final selections for this season’s Top 24.

8 pm 30 Rock (NBC) | Tracy rallies the writers to help him use a nearly-expired Benihana gift card worth so much that it will take a Leap Day miracle to spend; Liz helps Jenna seduce an Internet billionaire. Jim Carrey and Andie MacDowell (Jane By Design) guest-star.